diff options
Diffstat (limited to 'cmake/modules/ApplyPatch.cmake')
| -rw-r--r-- | cmake/modules/ApplyPatch.cmake | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cmake/modules/ApplyPatch.cmake b/cmake/modules/ApplyPatch.cmake new file mode 100644 index 0000000..894d32e --- /dev/null +++ b/cmake/modules/ApplyPatch.cmake @@ -0,0 +1,11 @@ +# Creates a wrapper for patch(1) utility that discards exit status in case the patch gets reapplied. This happens +# because CMake applies patch step frequently with ExternalProject and FetchContent. Moreover, GNU patch does not follow +# strict POSIX description of -N option making CMake think patching failed. +# +# For compatibility use with cmake(1) itself: +# +# COMMAND ${CMAKE_COMMAND} -D PATCH_FILE=something.patch -P ${PATCH_SCRIPT} + +find_program(PATCH_COMMAND patch DOC "POSIX-compliant patch utility") +set(PATCH_SCRIPT ${CMAKE_BINARY_DIR}/apply_patch.cmake CACHE FILEPATH "CMake script wrapper for patch command") +configure_file(${CMAKE_CURRENT_LIST_DIR}/apply_patch.cmake.in ${PATCH_SCRIPT} @ONLY) |